(57) A method and system for wireless communication with a mobile router in a moving vehicle,
such as a train, and an external wireless network is disclosed. The external network
comprises a plurality of trackside base stations, such as access points for communication
in compliance with a Wireless Local Area Network(WLAN), distributed along a vehicle
path of travel, such as a train route. The method comprises: determining the presence
of a mobile router within the access area of any of said plurality of trackside base
stations, and when the presence of a mobile router has been determined: setting the
power of the trackside base station for which the mobile router has been detected
to a high power mode; determining a direction of travel of the vehicle; setting the
power of at least one trackside base station arranged in the forward direction of
the base station for which the mobile router has been detected, as seen in the determined
direction of travel, to a high power mode; and setting the power of at least one trackside
base station arranged in the backward direction of the base station for which the
mobile router has been detected, as seen in the determined direction of travel, to
a low power mode.
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